220544074 has 4 divisors (see below), whose sum is σ = 330816114. Its totient is φ = 110272036.

The previous prime is 220544059. The next prime is 220544081. The reversal of 220544074 is 470445022.

It is a happy number.

220544074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470445022 = 2 ⋅235222511.

It can be written as a sum of positive squares in only one way, i.e., 155176849 + 65367225 = 12457^2 + 8085^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55136017 + ... + 55136020.

Almost surely, 2^220544074 is an apocalyptic number.

220544074 is a deficient number, since it is larger than the sum of its proper divisors (110272040).

220544074 is a wasteful number, since it uses less digits than its factorization.

220544074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110272039.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 220544074 is about 14850.7263795412. The cubic root of 220544074 is about 604.1783112418.

Adding to 220544074 its reverse (470445022), we get a palindrome (690989096).

The spelling of 220544074 in words is "two hundred twenty million, five hundred forty-four thousand, seventy-four".